Did the group manage to save a serial killer?
A dangerous hurricane hit Oahu on Hawaii Five-0 Season 9 Episode 15, and El Diablo, a captured serial killer was close to death.
A deadly assassin showed up with the aim of killing him, and the team tried to evade the killer at every turn.
Meanwhile, Tanvi's civilian safety check during the storm turned deadly, leaving her life up in the air.
Also, Rachel and Charlie made their way to Danny's house because the tides were about to destroy their own one.
Did the evacuation force the ex-spouses to think about the past?
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Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.